下述哪些属于兴奋性中枢神经递质（） ["去甲肾上腺素","乙酰胆碱","5-羟色胺","门冬氨酸","甘氨酸"]
下列酒品中可作为餐后甜酒的酒品是（） ["Brandy","vermouth","Tablewine","cointreau"]
下列哪几项可引起麻醉过程中的脑电变化（） ["脑缺氧","PaCO2过高","静脉麻醉药","吸入麻醉药","琥珀胆碱"]
钢梁涂装前钢材表面不得有（）。 ["灰尘","油污","水","毛刺","划痕"]
发酵酒的酒精含量较低，一般在（）以下。 ["10％","15％","20％","25％"]
离心式压缩机在（）流量和（）压力范围内广泛应用。
